[INFO] fetching crate slots-slice 0.1.0...
[INFO] testing slots-slice-0.1.0 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate slots-slice 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate slots-slice 0.1.0
[INFO] finished tweaking crates.io crate slots-slice 0.1.0
[INFO] tweaked toml for crates.io crate slots-slice 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate slots-slice 0.1.0 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b7302db0ffb0d5715f73c961f1bcee674b125ee7af31b6319526fe369489069
[INFO] running `Command { std: "docker" "start" "-a" "8b7302db0ffb0d5715f73c961f1bcee674b125ee7af31b6319526fe369489069", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b7302db0ffb0d5715f73c961f1bcee674b125ee7af31b6319526fe369489069", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b7302db0ffb0d5715f73c961f1bcee674b125ee7af31b6319526fe369489069", kill_on_drop: false }`
[INFO] [stdout] 8b7302db0ffb0d5715f73c961f1bcee674b125ee7af31b6319526fe369489069
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4024a9d127e42c514dbf47c9dc03cc82834cd428c205ceea1594577bcf90850
[INFO] running `Command { std: "docker" "start" "-a" "e4024a9d127e42c514dbf47c9dc03cc82834cd428c205ceea1594577bcf90850", kill_on_drop: false }`
[INFO] [stderr]    Compiling slots-slice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: missing documentation for a type alias
[INFO] [stdout]  --> src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub type Slots<T> = [Option<T>];
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/lib.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![warn(missing_docs)]
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a module
[INFO] [stdout]  --> src/lib.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub mod prelude {
[INFO] [stdout]   | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "e4024a9d127e42c514dbf47c9dc03cc82834cd428c205ceea1594577bcf90850", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4024a9d127e42c514dbf47c9dc03cc82834cd428c205ceea1594577bcf90850", kill_on_drop: false }`
[INFO] [stdout] e4024a9d127e42c514dbf47c9dc03cc82834cd428c205ceea1594577bcf90850
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37991b1cfb6f82ed0dcb52398f91a70c65a33bc49e2ef3525d9f51c73f872521
[INFO] running `Command { std: "docker" "start" "-a" "37991b1cfb6f82ed0dcb52398f91a70c65a33bc49e2ef3525d9f51c73f872521", kill_on_drop: false }`
[INFO] [stderr]    Compiling slots-slice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: missing documentation for a type alias
[INFO] [stdout]  --> src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub type Slots<T> = [Option<T>];
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/lib.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![warn(missing_docs)]
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a module
[INFO] [stdout]  --> src/lib.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub mod prelude {
[INFO] [stdout]   | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a type alias
[INFO] [stdout]  --> src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub type Slots<T> = [Option<T>];
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/lib.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![warn(missing_docs)]
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a module
[INFO] [stdout]  --> src/lib.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub mod prelude {
[INFO] [stdout]   | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "37991b1cfb6f82ed0dcb52398f91a70c65a33bc49e2ef3525d9f51c73f872521", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37991b1cfb6f82ed0dcb52398f91a70c65a33bc49e2ef3525d9f51c73f872521", kill_on_drop: false }`
[INFO] [stdout] 37991b1cfb6f82ed0dcb52398f91a70c65a33bc49e2ef3525d9f51c73f872521
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 721ce70faee83f57328d55eaa131d8340a7e06e53a916f4e2a0cc10364cee04a
[INFO] running `Command { std: "docker" "start" "-a" "721ce70faee83f57328d55eaa131d8340a7e06e53a916f4e2a0cc10364cee04a", kill_on_drop: false }`
[INFO] [stderr] warning: missing documentation for a type alias
[INFO] [stderr]  --> src/lib.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub type Slots<T> = [Option<T>];
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]  --> src/lib.rs:2:9
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![warn(missing_docs)]
[INFO] [stderr]   |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for a module
[INFO] [stderr]  --> src/lib.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub mod prelude {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `slots-slice` (lib) generated 2 warnings
[INFO] [stderr] warning: `slots-slice` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/slots_slice-6205931bd32e65d1)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test test::create ... ok
[INFO] [stdout] test test::iter_empty_indices ... ok
[INFO] [stdout] test test::c_front ... ok
[INFO] [stdout] test test::iter_values_mut ... ok
[INFO] [stdout] test test::replace ... ok
[INFO] [stdout] test test::replace_macro ... ok
[INFO] [stdout] test test::try_replace_ok ... ok
[INFO] [stdout] test test::test ... ok
[INFO] [stdout] test test::test_mut ... ok
[INFO] [stdout] test test::try_replace_err ... ok
[INFO] [stdout] test test::iter_entries ... ok
[INFO] [stdout] test test::iter_values ... ok
[INFO] [stdout] test test::slots_arr ... ok
[INFO] [stdout] test test::c_back ... ok
[INFO] [stdout] test test::iter_occupied_indices ... ok
[INFO] [stderr]    Doc-tests slots_slice
[INFO] [stdout] test test::iter_entries_mut ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.31s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 33 tests
[INFO] [stdout] test src/lib.rs - SlotsMutTrait::collapse_front (line 362) ... ok
[INFO] [stdout] test src/lib.rs - SlotsMutTrait::get_value_mut (line 312) ... ok
[INFO] [stdout] test src/lib.rs - SlotsTrait::back_index (line 121) ... ok
[INFO] [stdout] test src/lib.rs - SlotsMutTrait::front_value_mut (line 234) ... ok
[INFO] [stdout] test src/lib.rs - SlotsMutTrait::back_value_mut (line 271) ... ok
[INFO] [stdout] test src/lib.rs - SlotsMutTrait::try_replace (line 458) ... ok
[INFO] [stdout] test src/lib.rs - (line 25) ... ok
[INFO] [stdout] test src/lib.rs - SlotsMutTrait::replace (line 436) ... ok
[INFO] [stdout] test src/lib.rs - SlotsMutTrait::collapse_back (line 385) ... ok
[INFO] [stdout] test src/lib.rs - SlotsMutTrait::get_entry_mut (line 337) ... ok
[INFO] [stdout] test src/lib.rs - (line 17) ... ok
[INFO] [stdout] test src/lib.rs - SlotsTrait::back_entry (line 152) ... ok
[INFO] [stdout] test src/lib.rs - (line 41) ... ok
[INFO] [stdout] test src/lib.rs - SlotsMutTrait::front_entry_mut (line 251) ... ok
[INFO] [stdout] test src/lib.rs - SlotsMutTrait::collapse (line 408) ... ok
[INFO] [stdout] test src/lib.rs - SlotsTrait::front_index (line 73) ... ok
[INFO] [stdout] test src/lib.rs - SlotsTrait::is_empty (line 45) ... ok
[INFO] [stdout] test src/lib.rs - SlotsMutTrait::back_entry_mut (line 291) ... ok
[INFO] [stdout] test src/lib.rs - SlotsTrait::front_value (line 90) ... ok
[INFO] [stdout] test src/lib.rs - SlotsTrait::count (line 31) ... ok
[INFO] [stdout] test src/lib.rs - SlotsTrait::front_entry (line 104) ... ok
[INFO] [stdout] test src/lib.rs - replace (line 592) ... ok
[INFO] [stdout] test src/lib.rs - SlotsTrait::get_entry (line 208) ... ok
[INFO] [stdout] test src/lib.rs - array_of (line 626) ... ok
[INFO] [stdout] test src/lib.rs - SlotsTrait::is_full (line 59) ... ok
[INFO] [stdout] test src/lib.rs - SlotsTrait::back_value (line 138) ... ok
[INFO] [stdout] test src/lib.rs - entries_mut (line 568) ... ok
[INFO] [stdout] test src/lib.rs - values_mut (line 533) ... ok
[INFO] [stdout] test src/lib.rs - indices (line 497) ... ok
[INFO] [stdout] test src/lib.rs - values (line 518) ... ok
[INFO] [stdout] test src/lib.rs - SlotsTrait::get_index (line 170) ... ok
[INFO] [stdout] test src/lib.rs - SlotsTrait::get_value (line 190) ... ok
[INFO] [stdout] test src/lib.rs - entries (line 550) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 33 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.43s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "721ce70faee83f57328d55eaa131d8340a7e06e53a916f4e2a0cc10364cee04a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "721ce70faee83f57328d55eaa131d8340a7e06e53a916f4e2a0cc10364cee04a", kill_on_drop: false }`
[INFO] [stdout] 721ce70faee83f57328d55eaa131d8340a7e06e53a916f4e2a0cc10364cee04a